Air cleaner device



June 20, 1933. J CARTMELL I lfififigifi AIR CLEANER DEVICE Filed Nov. 70, 1931 2 Sheets-Sheet l INVENTOR.

JO/M Cari/Well BY ZJMZ A TTORNEY.

June 20,-, 1933.,

J. CARTMELL AIRCLEANER DEVICE 2 Sheets-Sheet 2 Filed Nov. 50, 1951 l N VEN TOR.

A TTORNEY.

Patented- June 20, .1933

UNITED STATES PATENT orrlca .romr sum or sroxnm, wnsimre'ron, assrenoa'ro e. a. 0. AIR enema 00.,

or SPOKANE, wnsnmeron AIR CLEANER DEVICE Application filed November 30,1931. Serial No. 578,031.

My present invention relates to air cleaner devices, or more particularlto an air cleaning device that is adapted or use in connection withinternal combustion engines and the like for removin dirt and dust fromair prior to its entry into t e engine, and is an improvement over thedevice disclosed in my co-pending application. entitled Air cleaners,Serial No. 511,265, and filed January 26, 1931 which matured to Patent1,846,706 granted Feb. 23, 1932. Certain objects of my present inventionare to provide an improved cartridge casing for retaining the mainbellies together with means whereby said casing is mounted in slantingdisposition within the device and whereby same may be readily re-= movedtherefrom. Further objects of the invention are to provide an improvedlower bafie plate for directing the upward passage of the air, forpreventing the suction of the engine from lifting the oil from thebottom of the device, and for regulating the amount of air passingtherethrough. Still further objects are to provide a plate for thebottom of the device for catching the dirt that is removed from the airby the oil and which:

plate may be readily lifted out for cleaning. With the-above and otherobjects in view so which will-appear as the description prostruction,adaptation, combination and arrangement of parts hereinafter describedand claimed. These objects are accomplished by devices illustrated inthe accompanying drawings; wherein Figure 1 is a somewhat diagrammaticview in side elevation showing my device mounted in a forward portion ofa motor vehicle and connected with the engine thereof;

Fig.2 is a view in perspective of the air cleaner as a whole;

Fig. ,3 is a view in transverse vertical section taken substantially ona broken line 3-3 of Fig. 2;

Fig.4 is a detail view in perspective of the lower baflle plate; 4

Fig. 5 is a view 111 vertical sectlon SlIOW'lDg a f;- entary upperportion of one of the 60 main es;

ceeds, the invention consists ofthe novelconof oil 16 is placed in thebottom of said lower Fig. 6 is a detail view in vertical section showingthe bolt supporting means for one end of the lower bafie plate;

Fig. 7 is a detail view in transverse vertical section showing the rivetsupporting means for the other end of the lower baflie plate; v

Fig. 8 is a general view in longitudinal vertical section of the cleanertaken substantially on a broken line 88 of Fig. 2;

Fig. 9 is a view in perspective showing the retaining cartridge for themain baffle members, with parts broken away; and A Fig. 10 is a detailview in vertical section showing a supporting means for one end of thebafiie retaining cartridge.

Referring to the drawings throughout which like reference numeralsindicate like parts and more particularly to Fig. 1, the numeral 5designates an ordinary internal combustionengine that is mounted in theforward portion of a motor vehicle and has the usual carburettor 6 thatis connected by a flexible conduit 7 to the outlet portion 8 of the mainupper casing member 9 of my device. Upon each suction stroke of theengine outside air enters said casing member through a main intakeopening 10 in its end and through aplurality of smaller openings 11 inits top.

A main lowercasing member 12 is detachably connected to the open bottomof said upper casing member by means of spring snap hooks 13 as mostclearly shown in Fig. 8. A plate 14 rests within said lower casingmember and covers the bottom thereof. Said plate is centrally providedwith an upstanding spline or flange 15 which is used. as a handle inremoving said plate. A pool 00 casing member for reasons hereinafter setforth and said upstanding flange serves as a gauge for the depth of theoil when same is first placed within the casing.

The cartridge casing for holding the main bafile memberscomprises sides17 that are held in spacedapart relation by a forward convex plate 18and a rear concave plate 19 each riveted or otherwise'secured to saidsides. Both of said plateshave a head 20 formed on their up (per andlower edge portions. Said cartr1 ge is supported within the outer casingat its lower forward edge by at 22. Said plate 21 fits against saidconvex plate and its lower end engages the bead thereof. A spring snap23 is secured to'the plate 21 and the lower hooked end of said stampedsnap engages under said bead thus detachably supporting the forward endof the cartridge casing. Said plate 21, as shown in detail in Fig. 10,is covered with felt 24 which collects dust and prevents same frompassing or entering between said plate and the convex cartridge plate. VTheupper rear edge of said cartridge casing is supported by a plate 25riveted to the top of the upper casin member 9, as at 26, and extendingentire y "across said upper casing member for'the purpose of preventingthe passage of air and dust. The lower edge rtion of said plate iscurved inwardly to orm a hook ed e 27 which engages under the head 20forme on the upper rear edge of the concave cartridgeplate 19. The suporting plates 21 and 25 are formed an positioned to support" the bafileretaining cartrid in slantin disposition as clearly shown in ig. 80f therawings.

The main baflles', designated as a whole by the numeral 28, are curvedor arcuate in cross section. Each of said baflles comprises an innerthick sheet of felt 29 which is saturated with oil and encased in ametal covering 30. Said covering extends entirely around said felt sheetand may be overlapped at its upper end as shown in detail in Fig. 5.Said metal covering is' provided with a (plurality of spaced apartdownwardly an outwardly projecting wings 31 extending most all the wayacross same and which wings may or punched outwardly from the coveringon both sides thereof. The outer convex and concave plates 18 and 19respectively form the outer covering portion for the end and'have saidwings formed on their inner covering portions only. The slots 32, formedinunching out said wings, leave the inner felt s eet exposed in placesfor the collection of dust.

The main bafle members 28 are installed within the baflle retainingcartridge casing in spaced apart relation and in parallel relation withthe' convex and concave outer plates 18 and 19., Arcuate passages 33 arethus formed between said bafiles for the passage of air. Said bafllesare preferably installed within cartridge in a manner that they may beremoved for cleaning, and arcuate slots or channels may be provided-onthe inside walls of the cartrid sides 17 to receive the end edges'ofsaid ii es, as disclosed inmy aforesaid copending atent a plication, orany other means may used or detachably installing said baflles. Tofurther prevent any dust from assin the main bafiles, a strip of felt 34is he (1 against the sides of the upper casing member 9 and against theouter top edges of said baflles by means of angleiron bars 35 riveted tothe sides of said upper casing member.

A lower bafile plate, designated as a whole by the numeral 36 and shownin detail in Fi 4, is mounted directly below the main b e retainingcartridge casing as most clearly shown in Fig. 8. Said baflle late extens transversely the full width of t e lower casing member 12 andcomprises a solid portion 37 which prevents the suction of the enginefrom lifting the oil 16, and a relatively large opening 38 withdependin' side flanges 39 for the passage of air. Sai bafile plate has aforward upturned flan e end 40 with convergent slots 41 theret rou h.Said slots are slipped over the heads 9 bolts, as at 42 and as shown indetail in Fig; 6, for detachably supporti plg the forward end of saidbaflle plate. e rear portion of said plate may be supported by rivets 43in the sides of the lower casing member as shown in detail in Fig. 7. Anupstanding flan e 44 is provided on the rear end of said be e plate andits up r edge is curved, as at 45, to fit the lower ad 20 of'the concaveplate 19 thus serving as an additional support for the rear end of thebtfile retaining cartridge .casing. Said rear flange is provided withopenings 46, as shown in Fig. 8, for the passage of air, and as shown indotted lines in Fig. 4 at 47, a lurality of aligned punctures may beprovi ed through said flange along said dotted lines and the portionsoutlined by said punctures may be cut away, one at a time, to provideproper air passa e in conformity with the size of the particu ar enginebe and the strength of its SllCtlOIl as will be understood.

In the operation of my device, each suction stroke of the engine 5 drawsoutside air through the openings 10 and 11. This incomin air strikes therear concave plate 19 of the afile retaining cartridge casing and isdirected downwardly thereby to the oil 001 16. The heavier particles ofdirt and ust are removed from the air b the oil pool and settle to thebottom thereo on the plate 14, as shown at 48 in Fi 8, and may becleaned out by removing sai bottom plate. The air then passes upwardlythrough the opening 38 in the bafile plate 36, and then throu h thearcuate pa 33 between the curve main bafiles 28. In these passages theair is greatly agitated by their curvature and by the rothere om wluchis deposited'through the inner felt sheets 29 which are saturated withby metal with slots 32 on to -the exposed portions of thebafieseomprisingacentral ielt sheet encased wings punched outwardly oilthus causing the dust to readily adhere therefrom whereby port1ons ofthe felt sheet thereto. Thus it will be apparent that I are exposed to pIn testimony whereoi I aflix my si have provided an efiective means forremoving the dust and dirt from the air prior to its passa through thecarburettor 6 and entry 'into t e on ine 5.

Having us described my invention, it being understood that minor.changes in its construction and arrangementmay be resortedto withoutdeparting from the scope and s irit of the invention, what I claim anddeably mounted in slanting within the cartridge casing forming arcuate.

casing where slanting disposition within the main casing,

sue to secure by Letters Patent of the United v States is rear concaveplate arranged to form a stile and a passage for directing incoming airdownwardly against the pool of oil, a bottom plate seated in the bottomof the main casing and having a central u standing flange, alower'baflie plate detacha 1y mounted immediately below the cartrid ecasing and having a large opening for t e upward passa e of air, a rearupstanding flange flpr 88.11:]. b h

or air t eret roug plate having passa s (plurality o curved bafliemembers in parallel spaced apart relation and a mounts passagesfordirectmg air upwardly and outwardly through the outlet means.

2. An air cleaner device comprising in combination a main casing havingair intake and outlet means, a cartridge casing, spring snap means fordetachabl sup rting the lower forward edge of sai cartridge casingwithin the main casing, plate means for supporting the upper rear edgeof the cartridge m y said casing isdisposed a convex ,front end plateand a' rear concave plate for the cartridge casing, a

pool of oil disposed in the bottom of the main casing, the rearooncaveend plate arran ed to orm a bafle and a passage or directingincomingair downwardif! against the pool of oil, a ower bailie platetachably mounted directly below the car- 7 tridge casing and having alar e opening for upward passage of air, a rear ange for said baflleplate extending upwardly to an porting engagement with the lower rearesge of the cartridge casing, said rear flange having air passagesadapted to be varied in size, a

luralit'y of curved bafle members mounted mspaced apart relation withinthe cartridge casing forming arcuate air pamages, and said air.

ature. JOHN CART LL.

